And every time you say it, you're almost certainly wrong if it's about anything but a proof of concept. Every single "I can do that in a weekend" post I've ever

And every time you say it, you're almost certainly wrong if it's about anything but a proof of concept. Every single "I can do that in a weekend" post I've ever seen basically ignores all the complexity of software development and would result in a completely useless system except for, at best, the optimal happy path.